E&M non-signaling mode configuration example

Network requirements

As shown in Figure 12, configure the PLAR mode for the E&M interface on Router A. When the user of Telephone A picks up the handset, the E&M interface automatically calls Telephone B.

Figure 12: Network diagram

Configuration procedure

  1. Configure Router A:

    # Configure the called number as 2000 for VoIP entity 2000, and configure the destination IP address as 2.2.2.2.

    <RouterA> system-view
    [RouterA] voice-setup
    [RouterA-voice] dial-program
    [RouterA-voice-dial] entity 2000 voip
    [RouterA-voice-dial-entity2000] match-template 2000
    [RouterA-voice-dial-entity2000] address sip ip 2.2.2.2
    [RouterA-voice-dial-entity2000] quit
    

    # Configure the local number as 1000 for POTS entity 1000, and bind E&M interface line 2/3/1 to the POTS entity.

    [RouterA-voice-dial] entity 1000 pots
    [RouterA-voice-dial-entity1000] match-template 1000
    [RouterA-voice-dial-entity1000] line 2/3/1
    [RouterA-voice-dial-entity1000] return
    

    # Enter the view of the E&M interface line 2/3/1.

    <RouterA> system-view
    [RouterA] subscriber-line 2/3/1
    

    # Configure the immediate start mode (optional, because the default is the immediate start mode).

    [RouterA-subscriber-line2/3/1] signal immediate
    

    # Enable the PLAR feature.

    [RouterA-subscriber-line2/3/1] private-line 2000
    

    # Enable the E&M non-signaling mode.

    [RouterA-subscriber-line2/3/1] open-trunk caller
    

    # Enable E&M control signals pass-through.

    [RouterA-subscriber-line2/3/1] passthrough
    

    # Disable the echo cancellation feature.

    [RouterA-subscriber-line2/3/1] undo echo-canceler enable
    
  2. Configure Router B:

    # Configure the called number as 1000 for VoIP entity 1000, and configure the destination IP address as 1.1.1.1.

    <RouterB> system-view
    [RouterB] voice-setup
    [RouterB-voice] dial-program
    [RouterB-voice-dial] entity 1000 voip
    [RouterB-voice-dial-entity1000] match-template 1000
    [RouterB-voice-dial-entity1000] address sip ip 1.1.1.1
    [RouterB-voice-dial-entity1000] quit
    

    # Configure the local number as 2000 for POTS entity 2000, and bind E&M interface line 2/3/1 to the POTS entity.

    [RouterB-voice-dial] entity 2000 pots
    [RouterB-voice-dial-entity2000] match-template 2000
    [RouterB-voice-dial-entity2000] line 2/3/1
    [RouterB-voice-dial-entity2000] return
    

    # Enter the view of the E&M interface line 2/3/1.

    <RouterB> system-view
    [RouterB] subscriber-line 2/3/1
    

    # Configure the immediate start mode. The default is the immediate start mode.

    [RouterB-subscriber-line2/3/1] signal immediate
    

    # Enable the E&M non-signaling mode.

    [RouterB-subscriber-line2/3/1] open-trunk called
    

    # Enable E&M control signals pass-through.

    [RouterB-subscriber-line2/3/1] passthrough
    

    # Disable the echo cancellation feature.

    [RouterB-subscriber-line2/3/1] undo echo-canceler enable
    

Verifying the configuration

# Pick up the handset of Telephone A to verify that Telephone A can automatically establish calls with Telephone B through the PLAR feature.